22022121121102 has 4 divisors (see below), whose sum is σ = 33033181681656. Its totient is φ = 11011060560550.

The previous prime is 22022121121093. The next prime is 22022121121103. The reversal of 22022121121102 is 20112112122022.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22022121121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022121121103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505530280274 + ... + 5505530280277.

It is an arithmetic number, because the mean of its divisors is an integer number (8258295420414).

Almost surely, 2^{22022121121102} is an apocalyptic number.

22022121121102 is a deficient number, since it is larger than the sum of its proper divisors (11011060560554).

22022121121102 is a wasteful number, since it uses less digits than its factorization.

22022121121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011060560553.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22022121121102 its reverse (20112112122022), we get a palindrome (42134233243124).

The spelling of 22022121121102 in words is "twenty-two trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred two".